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NN1 1AJ

POSTCODE

A Castle postcode in West Northamptonshire, a 6-minute walk from Northampton Rail.

School applications

We've matched the postcode to West Northamptonshire.

You apply through this education local authority even if the school is in another council area.

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Getting around

Straight-line distance from this postcode. Walking time is approximate.

Stations

  • Northampton Rail Station

    Rail · Entrance

    445 m straight lineabout 6 min

  • Long Buckby Rail Station

    Rail

    14.2 km straight lineabout 178 min

  • Wellingborough Rail Station

    Rail

    17.0 km straight lineabout 212 min

Bus stops

  • St Peters Walk

    Bus · opp · east

    99 m straight lineabout 1 min

  • Sol Central

    Bus · o/s · east

    105 m straight lineabout 1 min

  • Sol Central

    Bus · opp · west

    111 m straight lineabout 1 min

  • Marefair

    Bus · adj · north

    113 m straight lineabout 1 min

  • Northampton Bus Interchange

    Bus · N-bound · north

    252 m straight lineabout 3 min

Property sales (Land Registry)

England & Wales
Property sales · NN1 1
HM Land Registry Price Paid Data · NN1 1 · Oct 2025–Sep 2026 · 17 sales

NN1 1AJ has no standard sales in Oct 2025–Sep 2026, so these figures are for the NN1 1 sector.

Average price
£159,765
Median price: £152,000
Median +0.7% vs prior 12 months
Standard sales only · Oct 2025–Sep 2026 · 17 sales
View district NN1
Property type filter
Recent sale price trend
Oct '25 – Jul '26Jul '26: 2 sales · avg £242,500
X axis: MonthY axis: Avg sold price (hover shows sales count)
£243k£150k£58k
Oct '25Dec '25Mar '26May '26Jul '26
£140,000 · 2026-07-31 · Flat / maisonette · Leasehold
NN1 1JT
£345,000 · 2026-07-17 · Terraced · Freehold
NN1 1LN
£120,000 · 2026-06-12 · Flat / maisonette · Leasehold
NN1 1JS
£57,500 · 2026-05-22 · Flat / maisonette · Leasehold
NN1 1UG
£85,000 · 2026-04-24 · Flat / maisonette · Leasehold
NN1 1UG
£300,000 · 2026-04-17 · Flat / maisonette · New build · Freehold
NN1 1UE
£196,000 · 2026-04-16 · Flat / maisonette · Leasehold
NN1 1LG
£125,000 · 2026-03-27 · Flat / maisonette · Leasehold
NN1 1DQ
£145,000 · 2026-03-26 · Flat / maisonette · Leasehold
NN1 1TY
£152,000 · 2026-02-26 · Flat / maisonette · Leasehold
NN1 1DQ
HM Land Registry Price Paid Data, OGL.

Police Recorded Crime near NN1 1AJ

England & Wales
Crime trends · near NN1 1AJ

Counts are for Castle electoral ward, not a 1-mile police.uk street search around this postcode.

data.police.uk · YoY vs same month last year · per 1,000 residents (Census 2021)Sep '24 – Aug '26
Key categories · YoY
Violent Crime
240
YoY +19%
304238171
Sep '24Mar '25Sep '25Mar '26Aug '26
ASB
194
YoY +80%
19413779
Sep '24Mar '25Sep '25Mar '26Aug '26
Vehicle Crime
23
YoY -34%
503315
Sep '24Mar '25Sep '25Mar '26Aug '26
Burglary
29
YoY +142%
292010
Sep '24Mar '25Sep '25Mar '26Aug '26
Criminal damage
27
YoY -29%
453219
Sep '24Mar '25Sep '25Mar '26Aug '26
Other recorded crime
103
YoY stable
13410372
Sep '24Mar '25Sep '25Mar '26Aug '26
Notable spike detected in secondary categories
Shoplifting
93
YoY +55%
936128
Sep '24Mar '25Sep '25Mar '26Aug '26
Robbery
23
YoY +15%
31197
Sep '24Mar '25Sep '25Mar '26Aug '26
Other Theft
48
YoY +17%
604427
Sep '24Mar '25Sep '25Mar '26Aug '26

2 of 6 key categories improving · shoplifting up sharply · burglary rising

780
incidents · Aug '26

People

Household income (MSOA)

Average household income for the neighbourhood (MSOA) around this postcode, financial year ending March 2023

Financial year ending March 2023 · MSOA 2021 · West Northamptonshire 032 (E02005670)

This is the published estimate for the MSOA that contains this postcode (about 2,000–6,000 households). It describes the neighbourhood around the postcode. England and Wales only.

Total annual household income
£41,679

£35,351–£49,139

Disposable (net) annual household income
£31,069

£26,639–£36,235

Disposable (net) annual household income before housing costs (equivalised)
£29,496

£26,693–£32,594

Disposable (net) annual household income after housing costs (equivalised)
£23,807

£20,681–£27,405

Source: Office for National Statistics. Income estimates for small areas, England and Wales, financial year ending 2023.

Income estimates for small areas, England and Wales · Open Government Licence v3.0

Ethnicity

Total residents: 1,495
White Brit.36.5%
Other White24.7%
African13.3%
Indian5.8%
Other ethnic group: Any other ethnic group4.8%
+ 13 other groups · 15.0%

Religion

Total residents: 1,497
Christian40.8%
No religion30.1%
Muslim17.0%
Not answered6.4%
Hindu4.8%
+ 4 other religions · 1.1%

Age groups

Total residents: 1,499
25–3423.9%
35–4922.6%
50–6413.8%
20–2410.2%
≤48.2%
+ 6 other age groups · 21.3%

Households

Total households: 777
One person: other40.9%
Lone parent family: With dependent children10.7%
Cohabiting couple family: No children8.8%
Married or civil partnership couple: Dependent children8.0%
Married or civil partnership couple: No children6.2%
+ 9 other households · 25.5%

Deprivation Index (IMD)

IMD England — Index of Multiple Deprivation
Measures deprivation across income, employment, health, education, crime, housing, barriers to housing and services, and living environment.
2631
Rank out of 33,755 LSOAs in England
1 - Most deprived10 - Least deprived
Rank 2631 out of 33,755 lower layer super output areas in England. N/A for Wales, Scotland and Northern Ireland as this postcode is in England.

Flood zone

Flood Zone 1 at the postcode centre (EA Flood Map for Planning)

Flood Zone 1 at the postcode centre (EA Flood Map for Planning). This is the Environment Agency Flood Map for Planning zone at the ONS postcode centroid, not a property-level assessment. Source: Environment Agency flood map for planning, © Environment Agency copyright and/or database right, Open Government Licence v3.0.

Environment Agency flood map for planning · Open Government Licence v3.0

GOV.UK long-term flood risk checkerFlood map for planning
Technical details

Coordinates & Location for NN1 1AJ

England
Country
West Northamptonshire
Local Authority
Castle
Ward
Northampton
Travel to Work
TTWA
Postcode
NN1 1AJ
Coordinates
52.2362, -0.9004
Grid reference
SP751603
Easting
475,189
Northing
260,342
Region
East Midlands
Plus Code
9C4X63PX+FV
User Type
Small user postcode
Grid Quality
Quality indicator 1 (highest positional precision)
Built Up Area
Northampton
Travel to Work
Northampton
ITL Region
West Northamptonshire

Administrative Information

West Northamptonshire
Local Authority
Council Area
Northampton North E14001406
Constituency
E14001406
Northamptonshire
Police Force
England
Ward
Castle
Constituency code
E14001406
EU Electoral Region
East Midlands
Parish
Northampton
International Territorial Level
West Northamptonshire

Health & NHS

East Midlands
Cancer Alliance
National
NHS Region
Midlands
Integrated Care Board
NHS Northamptonshire Integrated Care Board
Sub ICB Location
NHS Northamptonshire ICB - 78H
Cancer Alliance
East Midlands

Statistical Areas

LSOA 2021
Super Output Area
West Northamptonshire 032E E01032979
E01032979
MSOA 2021
Mid Super Output
West Northamptonshire 032 E02005670
E02005670
LSOA 2011
Super Output Area
Northampton 021F E01032979
E01032979
MSOA 2011
Mid Super Output
Northampton 021 E02005670
E02005670
Urban: Nearer to a major town or city
Rural/Urban Classification 2021
2001 Classification
(England/Wales) Urban ≥ 10k – less sparse: OA falls within urban settlements with a population of 10,000 or more and the wider surrounding area is less sparsely populated 5
2011 Classification
(England/Wales) Urban city and town C1
2021 Classification
Urban: Nearer to a major town or city UN1

Sun & Time Information

6:58 AM4:35 PM
6:58 AM
Sunrise
4:35 PM
Sunset
9 hours 37 minutes of daylight today
Sunrise (today)
6:58 AM
Sunset (today)
4:35 PM
Daylight duration
9 hours 37 minutes
Time zone
GMT / BST (UTC +0 / +1)

Postcode History

December 2001
First Introduced
Active from
Not terminated
Usage Ended
Terminated
~25 years
Active Duration
2001 -> Present
December 2001 — Introduced
Postcode NN1 1AJ introduced by Royal Mail.
2011 — Reclassified
2011 Rural/Urban Classification: (England/Wales) Urban city and town C1.
2021 — Census Update
2021 Census classification: Urban: Nearer to a major town or city UN1. LSOA E01032979 and MSOA E02005670 assigned.
2025 — Indices of Deprivation
IMD England rank: 2631
Present — Active
Postcode NN1 1AJ is currently active and in use.
First introduced
December 2001
Usage ended
Not terminated
Active duration
~25 years
Last updated
2026-08-01
Current status
Live

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